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The OPTIMER XL stubble cultivators with 620mm diameter discs are available from 3 to 12 metres wide. The OPTIMER XL range ensures an optimal penetration capacity for working from 5 to 15 cm deep in large quantities of residue.
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The OPTIMER XL stands out from the competition with better penetration in dry conditions. This is due to its unique design, which boasts:
With one disc per arm, the OPTIMER XL provides a greater capacity for material flow.
In comparison with the OPTIMER+ range, the OPTIMER XL boast significantly greater clearances to ensure quality stubble cultivation in large quantities of residue:
Thanks to these high clearances, the risk of blockages is almost eliminated. The OPTIMER XL can easily work in high quantities of residues or bury manure.
The impressive mixing quality of the OPTIMER XL lies in its 620mm diameter conical profile discs. The choice of the vertical angle ensures this mixing. The conical profile ensures that the same penetration angles are maintained regardless of disc wear. In order to maintain its cutting quality over time, the discs are 6 mm thick and thus maintain an aggressive profile.
The OPTIMER XL benefits from simplified settings, as KUHN offers on all its product ranges. Mechanical adjustments with shims are available as standard: quick and intuitive, they have been designed to make life easier for operators.
As an option, the working depth is infinitely adjustable hydraulically from the tractor cab. All the adjustments are made without tools and guarantee comfort of use.
In addition, on models from 3 to 5 metres, the driver can vary the working depth according to the type of soil, or in the presence of stones or wet areas.
The OPTIMER XL retains one of the major advantages of the OPTIMER + range; low-level maintenance of the machine. In fact, the OPTIMER XL aims to avoid downtime during stubble cultivations.
The disc bearings are maintenance-free and lubricated for life.
The low maintenance gives considerable time saving.
The large 620 mm diameter discs have a thickness of 6 mm.
In fact, 6 mm of thickness give you 20% longer life compared to the 5 mm discs.
With less frequent replacement of discs and the quality of work preserved, the OPTIMER XL saves you time and money.
The OPTIMER XL range has the advantage of being able to be equipped with different options in order to adapt to the soil conditions, the different fields or the type of cultivation desired.
Additional weights of 460 kg are available on the OPTIMER XL 300, 350 and 400 models to increase the penetration of the discs in difficult terrain. By equipping your trailed OPTIMER XL with front gauge wheels, you will gain in stability and ground following quality thanks to the floating position of the drawbar. The working depth can be adjusted from the tractor cab and is adjusted with the gauge wheels in combination with the roller.
In order to achieve an optimal re-consolidation in the working area, KUHN offers a wide range of rollers on the OPTIMER XL:
The OPTIMER XL 4000, 5000, 6000 and 7500 trailed cultivator models are compatible with the SH 600 small seed drill. Equipped with a 600 litre hopper, this seed drill allows you to sow cover crops or cereals at the same time as your stubble cultivation.
Its large capacity offers a high work rate and reduces your establishment costs. It is equipped with a great autonomy and can be loaded with a big bag.
The QUANTRON S2 control box allows you to simply adjust the seeding rate, monitor the seed level and blower speeds. The VENTA volumetric metering unit offers excellent seeding precision from 1 to 430 kg/ha. It can be adjusted to apply all types of seed and fertiliser without tools.
The OPTIMER XL 300, 350, 400, 4000 and 5000 models can also be equipped with the SH 201 and 402 seed drills.
| Models | 300 | 350 | 400 | 4000 | 5000 | 6000 | 7500 | 9000 | 12000 |
|---|---|---|---|---|---|---|---|---|---|
| Working width (m) | 3 | 3.5 | 4 | 4 | 5 | 6 | 7.2 | 9 | 12 |
| Transport width (m) | 3 | 3.5 | 4 | <2,55 | <2,55 | 3 | 3 | 3 | 3 |
| Working depth (cm) | 5 to 15 | 5 to 15 | 5 to 15 | 5 to 15 | 5 to 15 | 5 to 15 | 5 to 15 | 5 to 15 | 5 to 15 |
| Working speed (km/h) | 7 to 15 | 7 to 15 | 7 to 15 | 7 to 15 | 7 to 15 | 7 to 15 | 7 to 15 | 7 to 15 | 7 to 15 |
| Min. Tractor Power (hp) | 77/105 | 90/122 | 103/140 | 119/160 | 149/200 | 179/240 | 224/300 | 268/360 | 358/480 |
| Max. tractor power (kW/hp) | 123/165 | 141/190 | 164/220 | 178/240 | 223/300 | 268/360 | 355/450 | 403/540 | 522/700 |
| Number of discs | 24 | 28 | 32 | 32 | 40 | 48 | 58 | 72 | 96 |
| Disc diameter (mm) | 620 | 620 | 620 | 620 | 620 | 620 | 620 | 620 | 620 |
| Disc thickness (mm) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Side deflectors | Right and left as standard | Right and left as standard | Right and left as standard | Right and left as standard | Right and left as standard | Right and left as standard | Right and left as standard | Right and left as standard | Right and left as standard |
| Linkage | Cat 2/3N/3 | Cat 2/3N/3 | Cat 3N/3 | K80, cat, 3/4 4N cross-shaft Ball ring (42/51/71) | K80, cat, 3/4 4N cross-shaft Ball ring (42/51/71) | K80, cat, 3/4 4N cross-shaft Ball ring (42/51/71) | K80, cat, 3/4 4N cross-shaft Ball ring (42/51/71) | K80, cat, 3/4 4N cross-shaft Ball ring (42/51/71) | K80, cat, 3/4 4N cross-shaft Ball ring (42/51/71) |
| Available rollers | Tube, T-ring, T-liner, V-liner, HD liner 600 | Tube, T-ring, T-liner, V-liner, HD liner 600 | Tube, T-ring, T-liner, V-liner, HD liner 600 | T-ring, V-liner, Double U, HD liner 600, T-liner | T-ring, V-liner, Double U, HD liner 600, T-liner | T-ring, V-liner, Double U, HD liner 600, T-liner | T-ring, V-liner, Double U, HD liner 600, T-liner | Double U | Double U |
| Roller adjustments | Mechanical by spacers or optional continuous hydraulic adjustment from the cab | Mechanical by spacers or optional continuous hydraulic adjustment from the cab | Mechanical by spacers or optional continuous hydraulic adjustment from the cab | Continuous hydraulic adjustment from the cab | Continuous hydraulic adjustment from the cab | Continuous hydraulic adjustment from the cab | Continuous hydraulic adjustment from the cab | Continuous hydraulic adjustment from the cab | Continuous hydraulic adjustment from the cab |
| Weight (kg), with tube roller (mounted models)/Double U (trailed models) | 1985 | 2290 | 2595 | 5150 | 5600 | 6000 | 6800 | 10300 | 13700 |
